| TATec Air | Willow Springs | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| TGTee Group Films | Ladd | IL | Plastics and Rubber Products Manufacturing326113 | — | ◇ UNVERIFIED |
| TATegrant Alloyd Brands, INC. | Dekalb | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| TPTek Pak, Inc. | Saint Charles | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| TPTek Pak, LLC | St. Charles | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| TGThe Gerber Group | Park Ridge | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| TPTmf Plastic Solutions, LLC | Plano | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| TTT.m. Tire Co., INC. | New Lenox | IL | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| TPToddco Plastics, INC. | Watseka | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| THTommy House Tire CO | North Pekin | IL | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| TMTownley Mfg INC | Eldorado | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| TCTransparent Container Co., INC. | Bensenville | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| TTTredroc Tire Services | Harvey | IL | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| TDTrelleborg-carmi Division | Carmi | IL | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| TITuf-tite, INC. | Lake Zurich | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| TLTyler Livvix Dba Custom Films, INC. | Marshall | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| UHUDI Holdings - 887, LLC | Buffalo Grove | IL | Plastics and Rubber Products Manufacturing326111 | — | ◇ UNVERIFIED |
| UCUS Converting INC | Schaumburg | IL | Plastics and Rubber Products Manufacturing326112 | — | ◇ UNVERIFIED |
| UOUsdol Osha- North Aurora | Dekalb | IL | Plastics and Rubber Products Manufacturing326112 | — | ◇ UNVERIFIED |
| VPVerdeco Plastics | Channahon | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| VCVibra Coustic USA INC | Carmi | IL | Plastics and Rubber Products Manufacturing326291 | — | ◇ UNVERIFIED |
| WRWaukesha Rubber CO INC | Ladd | IL | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| WIWincup, INC. | Des Plaines | IL | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| WCWingfoot Commercial Tire Systems LLC | Rockford | IL | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| WIWinzeler, INC. | Harwood Heights | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| WPWise Plastics Technologies, INC. | Saint Charles | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| WCWorld Contract Packagers INC. | South Beloit | IL | Plastics and Rubber Products Manufacturing326111 | — | ◇ UNVERIFIED |
| XFXcel Foam & Packaging LLC | Rockford | IL | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| XPXpansive Packaging Group INC | Franklin Park | IL | Plastics and Rubber Products Manufacturing326150 | — | ◇ UNVERIFIED |
